Transcript for Unlocking the Imaginations of Children Around the World With Legos

Finally tonight, unlocking the imagination of children around the world. The artist who has become a kind of michelangelo with his incredible sculptures, but they're not made of clay nor marble, but the simple toy bricks of your childhood. Here's ABC's John donvan. Reporter: The Lego brick, simple, rectangular. 45.7 billion bricks produced per year and now the number one movie in the country. "The Lego movie." And part of the craze, also, the artistic creations of one Nathan Sawaya. I've been playing with toys for ten years now. Reporter: About which, two amazing things -- one is just the work. Sawaya's realizations of classic sculptures. David. Easter island. Made up of 75,450 glued together Lego bricks. This was two months of my life right here. Reporter: You must have an astounding Lego bill. Really. By far my biggest capital expense. Reporter: The other amazing thing? Before this, he was a corporate lawyer. Before he got out, which is what this one's about. And I had a lot of people who said, you're crazy, don't do it. But I was following my dream. Reporter: And he's doing fabulously well. Cramming in crowds. His audience, a lot of kids around the world, who otherwise might not look at art. And what he might have in common with those kids? I had Lego bricks as a kid, I had very accommodating parents. They let me have a 36-square foot Lego city. Reporter: And now, a woman, splashing through water, that's just blue bricks. I see the world in rectangles. Reporter: And then you turn them into curves. That's the idea. Reporter: Unlocking imagine nations about the beauty that is there. When you build it, brick by brick. John donvan, ABC news, New York.

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